IEC 61676:2023 is available as IEC 61676:2023 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61676:2023 specifies the performance requirements of instruments as used in the non-invasive measurement of X-RAY tube voltage up to 150 kV and the relevant compliance tests. This document also describes the method for calibration and gives guidance for estimating the uncertainty in measurements performed under conditions different from those during calibration. Applications for such measurement are found in diagnostic radiology including mammography, computed tomography (CT), dental radiology and radioscopy. This document is not concerned with the safety aspect of such instruments. The requirements for electrical safety applying to them are contained in IEC 61010-1. IEC 61676:2023 cancels and replaces first edition published in 2002, Amendment 1:2008. This edition constitutes a technical revision. It includes an assessment of the combined standard uncertainty for the performance of a hypothetical instrument for the non-invasive measurement of the tube high voltage (in Annex A) which replaces Annex A of the edition 1.1 titled "Recommended performance criteria for the invasive divider".
The contents of the corrigendum of January 2024 have been included in this copy.

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IEC 61675-1:2022 is available as IEC 61675-1:2022 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.
IEC 61675-1:2022 specifies terminology and test methods for declaring the characteristics of POSITRON EMISSION TOMOGRAPHS. POSITRON EMISSION TOMOGRAPHS detect the ANNIHILATION RADIATION of positron emitting RADIONUCLIDES by COINCIDENCE DETECTION. IEC 61675-1:2022 cancels and replaces the second edition published in 2013. This edition constitutes a technical revision. This edition includes the following significant technical change with respect to the previous edition: requirements have been changed or newly created regarding the technical aspects of SPATIAL RESOLUTION, sensitivity measurement, SCATTER FRACTION, COUNT RATE performance, image quality, PET/CT registration accuracy and time-of-flight resolution.

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IEC 60601-2-1:2020 applies to the BASIC SAFETY and ESSENTIAL PERFORMANCE of ELECTRON ACCELERATORS, hereafter referred to as ME EQUIPMENT, in the range 1 MeV to 50 MeV, used for TREATMENT of PATIENTS.
NOTE 1 While ELECTRON ACCELERATORS used for TREATMENT of PATIENTS are always ME EQUIPMENT, there are times in this document where they are referred to as EXTERNAL BEAM EQUIPMENT (EBE). Usage of EBE does not remove the requirements placed on the ME EQUIPMENT but is meant to clarify that the ME EQUIPMENT being discussed is the EBE and not some other ME EQUIPMENT that may be part of the system configuration.
This particular standard, with the inclusion of TYPE TESTS and SITE TESTS, applies to the manufacture and some installation aspects of ELECTRON ACCELERATORS and their included equipment used to increase the precision, accuracy and volumetric targeting of the TREATMENT delivery
– intended for RADIOTHERAPY in medical practice, including those in which the selection and DISPLAY of TREATMENT PARAMETERS can be controlled automatically by PROGRAMMABLE ELECTRONIC SUBSYSTEMS (PESS),
– that, under NORMAL CONDITIONS and in NORMAL USE, deliver a RADIATION BEAM of X-RADIATION or ELECTRON RADIATION having
• NOMINAL ENERGY in the range 1 MeV to 50 MeV,
• maximum ABSORBED DOSE RATES between 0,001 Gy x s–1 and 1 Gy x s–1 at the ERP from the RADIATION SOURCE, and
• REFERENCE TREATMENT DISTANCES (RTDs) between 0,5 m and 2 m from the RADIATION SOURCE;
and
– intended to be
• for NORMAL USE, operated under the authority of the RESPONSIBLE ORGANIZATION by QUALIFIED PERSONS appropriately licensed or having the required skills for a particular medical application, for particular SPECIFIED clinical purposes,
• maintained in accordance with the recommendations given in the INSTRUCTIONS FOR USE, and
• subject to regular QUALITY ASSURANCE performance and calibration checks by a QUALIFIED PERSON.
IEC 60601-2-1:2020 cancels and replaces the third edition published in 2009 and Amendment 1:2014. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) alignment with the new relevant collateral standards;
b) addition of computer interface and control;
c) addition of new technologies in RADIOTHERAPY, including
• BEAM GATING, and
• ADAPTIVE RADIOTHERAPY.

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IEC 63073-1:2020 specifies terminology and test methods for describing the characteristics of SINGLE PHOTON EMISSION COMPUTED TOMOGRAPHY (SPECT) systems designed specifically for tomographic cardiac imaging. This includes dedicated systems or general purpose systems with dedicated sub-systems which are not included in the scope of IEC 61675-2.

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IEC TR 63183:2019 provides guidance on the usage and form of error or warning messages written for software used in RADIOTHERAPY. It does not replace any requirements existing in the safety standards but is meant to be used as a supplement to existing standards on usability by providing specific examples in the field of RADIOTHERAPY.
The two main goals of this document are
1) to present in a concise manner the best practices and design guidelines for good message dialogs, and
2) to illustrate these design guidelines with specific examples from the field of radiation oncology.
This document is intended to be read by the following MANUFACTURERS’ employees and representatives:
– engineering department members including: software engineers, RISK managers, quality assurance engineers, technical writers, etc.;
– usability and human factors engineers;
– marketing representatives (product marketing, product managers, business analysts).
Throughout this document, unless specifically called out, these guidelines apply to all categories of messages summarily called error or warning messages (e.g. critical error, warning, system status, informational, routine interlock messages).

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IEC 60580:2019 is available as IEC 60580:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60580:2019 specifies the performance and testing of Dose Area Product Meters intended to measure Dose Area Product and/or Dose Area Product Rate to which the Patient is exposed during Medical Radiological Examinations. This document is applicable to the following types of Dose Area Product Meters:
a) Field-Class Dose Area Product Meters normally used for the measurement of Dose Area Products during Medical Radiological Examinations;
b) Reference-Class Dose Area Product Meters normally used for the Calibration of Field-Class Dosimeters.
NOTE Reference-Class Dose Area Product Meters can be used as Field-Class Dose Area Product Meters.
The object of this document is
1) to establish requirements for a satisfactory level of performance for Dose Area Product Meters, and
2) to standardize the methods for the determination of compliance with this level of performance.
Two levels of performance are specified:
– a lower level of performance applying to Field-Class Dose Area Product Meters;
– a higher level of performance applying to Reference-Class Dose Area Product Meters.
IEC 60580:2019 cancels and replaces the second edition published 2000, and constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition:
a) a second class of devices is introduced with tighter uncertainty tolerances;
b) this document has been expanded to include detectors other than ionization chambers;
c) radiation qualities have been updated to the new definitions according to IEC 61267;
d) a requirement on the linearity of the dose area product rate measurement was added;
e) changed chamber light transmission requirement from 70 % to 60 %.

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IEC TR 61948-2:2019 is valid for single photon scintillation cameras with parallel hole collimators used in planar scintigraphy and tomography. It is also valid for the SPECT portion of SPECT/CT systems with parallel hole collimators, including the co-registration between the SPECT and CT subsystems. The objective is to specify ROUTINE TESTS for QUALITY CONTROL. Methods for the ACCEPTANCE TEST are described in IEC 61675-2.
IEC TR 61948-2:2019 cancels and replaces the first edition published in 2001. It constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) adaptation to apply to the present technology;
b) updating of the test methods to comply with the recent state of the art.

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IEC TR 62926:2019 provides guidelines for safe integration and operation of an adaptive external-beam RADIOTHERAPY system (AEBRS) for intra-fractionally moving rigid TARGET VOLUMEs, where required equipment can be sourced from one or several MANUFACTURERs. In particular it addresses guidelines to help ensure safe integration and operation for the PATIENT, OPERATOR, other persons and sensitive devices in the vicinity. In this document, the word “system” is hereafter used to refer to an AEBRS.
This document specifies the safety guidelines for a MANUFACTURER or RESPONSIBLE ORGANIZATION who integrates the AEBRS for intra-fractionally moving rigid TARGET VOLUMEs. If a RESPONSIBLE ORGANIZATION integrates an AEBRS, then it takes the role of MANUFACTURER and will be referred to as a MANUFACTURER throughout this document.
This document includes reference models of the AEBRS for intra-fractionally moving rigid TARGET VOLUMEs and HAZARDs which, at a minimum, are considered during the RISK ANALYSIS.
Although TARGET VOLUMES and OARs can deform during motion, adaptations in response to deformations of the TARGET VOLUME are out of the scope of this document. The scope is limited to rigid TARGET VOLUMEs exhibiting intra-fractional movements, both translational and rotational. While technical HAZARDs are discussed in this document, the RESPONSIBLE ORGANIZATION is reminded that clinical judgement is always employed when determining clinical usability and reviewing TREATMENT PARAMETER changes.
This document does not specifically address HAZARD mitigations for each of the HAZARDs mentioned in the document; however, some mitigations are given as examples in Clauses 4 and 5. All guidelines in this document are intended to be implemented in accordance with the general standard IEC 60601-1:2005 and IEC 60601-1:2005/AMD1:2012, with special attention to 4.2 of IEC 60601-1:2005 and IEC 60601-1:2005/AMD1:2012.

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IEC TR 61948-4:2019 is available as IEC TR 61948-4:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC TR 61948-4:2019 covers the routine testing of radionuclide calibrators used in nuclear medicine. Such devices utilise ionisation chambers of the well type and a direct readout in units of activity. Requirements and specific methods to determine performance parameters are described in IEC 61303. These methods are primarily designed for acceptance testing. IEC TR 61948-4:2019 cancels and replaces the first edition published in 2006. This edition constitutes a technical revision. This edition includes the following significant technical change with respect to the previous edition: the test method to determine system linearity has been updated to reflect the technical developments of radionuclide calibrators.

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IEC TR 61948-3:2018(E) describes test methods for Positron Emission Tomographs (PET). As part of quality control, this document is defining routine tests to be performed by the user of Positron Emission Tomographs to maintain proper operation conditions. The results of these routine tests are compared to the reference data determined during or after acceptance test. Methods used for acceptance tests are described in IEC 61675-1:2013.
In addition, today a Positron Emission Tomograph often includes X-Ray equipment for Computed Tomography (CT). For this document, PET/CT hybrid devices are considered to be state of the art, dedicated Positron Emission Tomographs not including the X-ray component being special cases only.
quality control tests specific to only the CT component of the PET/CT are described in IEC 61223-2-6. The CT scanner also is subject to a type test according to IEC 60601-1 and applicable collateral and particular standards.
This second edition cancels and replaces the first edition published in 2005. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
a) a clause to check routine performance tests has been added,
b) a test to check the accuracy of co-registration of PET and CT images has been added,
c) a test to check image quality has been added,
d) the test to check pixel size has been removed.

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IEC 62667:2017 applies to light ion beam ME equipment when used, for therapy purposes, in human medical practice.
This document applies to light ion beam ME equipment which delivers light ion beams with an energy per nucleon in the range 10 MeV/n to 500 MeV/n.
This document describes measurements and test procedures to be performed by the manufacturer of light ion beam ME equipment but does not specify acceptance tests.
This document specifies test procedures for the determination and disclosure of performance characteristics, knowledge of which is necessary for proper selection, application, and use of light ion beam ME equipment and which are to be declared in the accompanying documentation together with the greatest deviation or variation to be expected under specific conditions in normal use. A format for presentation of performance values is given in Annex A.

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IEC 60731:2011 specifies the performance requirements of radiotherapy dosimeters, intended for the measurement of absorbed dose to water or air kerma (and their rates and spatial distributions) in photon, electron, proton or heavy ion radiation fields as used in radiotherapy. The dose monitoring systems incorporated in radiotherapy treatment machines are not covered by this standard, neither are the re-entrant ionization chambers used for brachytherapy source calibration and constancy check devices. IEC 60731:2011 is applicable to the following types of dosimeter:
a) field-class dosimeters normally used for
1) in vivo skin surface or intracavitary measurements of dose on patients.
2) in vivo skin surface or intracavitary measurements of dose on patients.
b) reference-class dosimeters normally used for the calibration of field-class dosimeters;
c) scanning-class dosimeters normally used for relative dose distribution measurements with a scanning system such as an automatic water phantom.
The object of this standard is:
- to establish requirements for a satisfactory level of performance for radiotherapy dosimeters;
- to standardize methods for the determination of compliance with this level of performance.
Three levels of performance are specified:
- a lower level of performance applying to field-class dosimeters;
- a higher level of performance applying to reference-class dosimeters;
- a specific level of performance applying to scanning-class dosimeters.
This third edition cancels and replaces the second edition published in 1997 and its Amendment 1 (2002) and constitutes a technical revision. The technical modifications versus the second edition of this standard concerns performance requirements of radiotherapy dosimeters intended for the measurement of absorbed dose to water or air kerma in heavy ion radiation fields and scanning-class dosimeters normally used for relative dose distribution measurements with a scanning system such as an automatic water phantom.

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IEC TR 61948-1:2016(E), which is a technical report, describes test methods of instruments that count and measure the energy of photons emitted by radionuclides in vivo and in vitro without the option of imaging. This includes, for example, well counters and organ probes. Geiger-Mueller counters and dose calibrators are not within the scope of this document. This second edition cancels and replaces the first edition published in 2001. This edition constitutes a technical revision.

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IEC 61675-2:2015 specifies terminology and test methods for describing the characteristics of gamma cameras equipped with parallel hole collimators for planar imaging. This second edition of IEC 61675-2 cancels and replaces the first edition published in 1998 and its Amendment 1 published in 2004, as well as IEC 60789:2005, IEC 60789:2005/COR1:2009, and IEC 61675-3:1998. It has been reformatted, updated, and partly aligned with NEMA NU 1-2007.

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IEC 60601-2-68:2014 applies to the basic safety and essential performance of X-ray based image-guided radiotherapy (IGRT) equipment for use with External Beam Equipment (EBE). This particular standard covers safety aspects of kilovoltage and megavoltage X-ray imaging devices in a known geometrical relationship with EBE for the purpose of IGRT. It covers aspects of communication and relationships between the EBE and X-ray imaging devices, attached or not directly attached to, but in the same radiation shielded area as, and dedicated for use only with, the EBE. This particular standard deals with equipment for real-time X-IGRT, online X-IGRT and offline X-IGRT. It covers procedures to reduce the risk of over-reliance on the X-IGRT EBE systems. For example the manufacturer will provide an interactive interface for user interaction with the correction suggested by the system.

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IEC 60601-2-64:2014 applies to the basic safety and essential performance of Light Ion Beam Medical Electrical equipment, hereafter referred to as ME equipment, used for treatment of patients. This particular standard, with the inclusion of type tests and site tests, applies respectively to the manufacture and some installation aspects of ME equipment intended for radiotherapy in human medical practice, including those in which the selection and display of operating parameters can be controlled automatically by programmable electronic subsystems, that, in normal use, deliver a radiation beam of light ions having energy per nucleon in the range 10 MeV/n to 500 MeV/n. Key words: nuclear medicine, radiation dosimetry.

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IEC 60601-2-17:2013 applies to the basic safety and essential performance of automatically-controlled Brachytherapy Afterloading Medical Equipment. This standard does not specify requirements for sealed radioactive sources. This third edition cancels and replaces the second edition, published in 2004. Consideration has been given to new IEC standards, amendments to existing IEC standards, developments in technology and clinical usage, and various hazards encountered and envisaged since the preparation of the first and second editions. This edition constitutes a technical revision which brings this standard in line with IEC 60601-1:2005+A1:2012 and its collateral standards.

  • Standard
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IEC 61675-1:2013 specifies terminology and test methods for declaring the characteristics of positron emission tomographs. Positron emission tomographs detect the annihilation radiation of positron emitting Radionuclides by coincidence detection. No test has been specified to characterize the uniformity of reconstructed images, because all methods known so far will mostly reflect the noise in the image. This second edition replaces the first edition of IEC 61675-1, published in 1998. This edition constitutes a technical revision. Requirements have been changed regarding the following technical aspects:
- spatial resolution;
- sensitivity measurement;
- scatter fraction;
- count rate performance;
- and image quality. Keywords: imaging, medical device

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  • Standard
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IEC 60601-2-11:2013 applies to the basic safety and essential performance of gamma beam therapy equipment, including multi-source stereotactic radiotherapy equipment. This particular standard of the 60601 series, establishes requirements to be complied with by manufacturers in the design and construction of gamma beam therapy equipment. It states tolerance limits beyond which interlocks must prevent, interrupt or terminate irradiation in order to avoid an unsafe condition. Type tests which are performed by the manufacturer, or site tests, which are not necessarily performed by the manufacturer, are specified for each requirement. It does not attempt to define the optimum performance requirements for a gamma beam therapy equipment for use in radiotherapy. Its purpose is to identify those features of design which are regarded at the present time as essential for the safe operation of such equipment. It places limits on the degradation of equipment performance at which it can be presumed that a fault condition applies, e.g. a component failure, and where an interlock then operates to prevent continued operation. This third edition cancels and replaces the second edition of IEC 60601-2-11 published in 1997 and its Amendment 1:2004. This edition constitutes a technical revision which brings this standard in line with the third edition of IEC 60601-1 and its collateral standards.

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IEC 61674:2012 specifies the performance and some related constructional requirements of diagnostic dosimeters intended for the measurement of air kerma, air kerma length product or air kerma rate, in photon radiation fields used in radiography, including mammography, radioscopy and computed tomography, for X-radiation with generating potentials not greater than 150 kV. This International Standard is applicable to the performance of dosimeters with vented ionization chambers and/or semiconductor detectors as used in X-ray diagnostic imaging. The object of this standard is to establish requirements for a satisfactory level of performance for diagnostic dosimeters, and to standardize the methods for the determination of compliance with this level of performance. This standard is not concerned with the safety aspects of dosimeters. The diagnostic dosimeters covered by this standard are not intended for use in the patient environment and, therefore, the requirements for electrical safety applying to them are contained in IEC 61010-1. This second edition cancels and replaces the first edition and constitutes a technical revision.

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IEC 61217:2011 applies to equipment and data related to the process of teleradiotherapy, including patient image data used in relation with radiotherapy treatment planning systems, radiotherapy simulators, isocentric gamma beam therapy equipment, isocentric medical electron accelerators, and non-isocentric equipment when relevant. The object of this standard is to define a consistent set of coordinate systems for use throughout the process of teleradiotherapy, to define the marking of scales (where provided), to define the movements of equipment used in this process, and to facilitate computer control when used. This second edition cancels and replaces the first edition, published in 1996, amendment 1, published in 2000 and amendment 2, published in 2007. This edition constitutes a technical revision to include imager and focus coordinate systems in Subclause 3.12. Beyond this Subclause, changes were only introduced where needed to include the above coordinate systems.

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IEC 60601-2-8:2010 establishes particular basic safety and essential performance requirements for therapeutic X-ray equipment with nominal X-ray tube voltages in the range 10 kV to 1 MV when connected to alternating current supply mains. It includes the requirements for accuracy and reproducibility of performance to the extent that these are related to radiation quality and the quantity of ionizing radiation produced and thus must be considered as aspects of safety. This second edition cancels and replaces the first edition of IEC 60601-2-8. This edition constitutes a technical revision which brings this standard in line with the third edition of IEC 60601-1 and its collateral standards.

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IEC 60601-2-1:2009 applies to the basic safety and essential performance of electron accelerators in the range 1 MeV to 50 MeV, used for treatment of patients. This particular standard establishes requirements to be complied with by manufacturers in the design and construction of electron accelerators for use in radiotherapy; it does not attempt to define their optimum performance requirements. Its purpose is to identify those features of design that are regarded, at the present time, as essential for the safe operation of such medical electrical equipment. It places limits on the degradation of medical electrical equipment performance beyond which it can be presumed that a fault condition exists and where an interlock then operates to prevent continued operation of the me equipment. This third edition cancels and replaces the second edition published in 1998 and its Amendment 1 (2002). It constitutes a technical revision. This third edition addresses the following issues not covered in previous editions:
- alignment with the new relevant collateral standards;
- new technologies in radiotherapy, including stereotactic radiosurgery (SRS) and stereotactic radiotherapy (SRT), intensity modulated radiotherapy (IMRT), electronic imaging devices (e.g. EPID) and moving beam radiotherapy (dynamic therapy).

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IEC 62083:2009 applies to the design, manufacture and some installation aspects of a radiotherapy treatment planning systems:
- for use in radiotherapy treatment planning in human medical practice;
- that imports data either through input by the operator or directly from other devices;
- that outputs data either in printed form for review or directly to other devices;
and which is intended to be:
a) for normal use, under the authority of appropriately licensed or qualified persons, by operators having the required skills and training;
b) maintained in accordance with the recommendations given in the instructions for use, and
c) used within the environmental and electrical supply conditions specified in the technical description.
This second edition replaces the first edition of IEC 62083, published in 2000. This edition constitutes a technical revision, which brings this standard in line with changes to the other standards referred to in this standard.

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IEC 62467-1:2009 specifies the performance and some related constructional requirements of well-type ionization chambers and associated measurement apparatus, intended for the determination of a quantity, such as air kerma strength or reference air kerma rate in photon radiation fields or absorbed dose to water at a depth, in photon and beta radiation fields used in brachytherapy, after appropriate calibration for a given type of source. IEC 62467-1:2009 covers the techniques for the quantification of the quantity appropriate for the brachytherapy source under consideration. This quantity may be air kerma strength or reference air kerma rate at 1 m, or absorbed dose to water at a depth (e.g. 2 mm or 5 mm). Measurement of these quantities may be accomplished by a variety of well-type ionization chambers or systems currently available for this purpose. This standard applies to products intended for low dose rate, high dose rate, intravascular, both photon and beta, brachytherapy measurements. It does not apply to instruments for nuclear medicine applications. The application of the standard is limited to instruments that incorporate well-type ionization chambers as detectors. The intended use is the measurement of the output of radioactive, encapsulated sources for intracavitary (insertion into body cavities) or interstitial (insertion into body tissue) applications. The object of IEC 62467-1:2009 is
a) to establish requirements for a satisfactory level of performance for well-type chamber systems, and
b) to standardize the methods for the determination of compliance with this level of performance.
IEC 62467-1:2009 is not concerned with the safety aspects of well-type chamber systems. The well-type chamber systems covered by this standard are not intended for use in patient environment. The electrical safety of well-type chamber systems is covered in IEC 61010-1. The operation of the electrometer measuring system is covered in IEC 60731.

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Specifies the performance requirements of instruments as used in the non-invasive measurement of X-ray tube voltage up to 150 kV and the relevant compliance tests. Describes the method for calibration and gives guidance for estimating the uncertainty in measurements performed under conditions different from those during calibration. This standard is not concerned with the safety aspect of such instruments. The requirements for electrical safety applying to them are contained in IEC 61010-1. This consolidated version consists of the first edition (2002) and its amendment 1 (2008). Therefore, no need to order amendment in addition to this publication.

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IEC/TR 60977:2008 applies to medical electron accelerators when used, for therapy purposes, in human medical practice. This technical report applies to medical electron accelerators which deliver a radiation beam of either X-radiation or electron radiation with nominal energies in the range 1 MeV to 50 MeV at maximum absorbed dose rates between 0,001 Gy s-1 and 1 Gy s-1 at 1 m from the radiation source and at normal treatment distances between 50 cm and 200 cm from the radiation source. This second edition cancels and replaces the first edition published in 1989 and its Amendment 1 (2000). It constitutes a technical revision. This second edition likewise follows on the issue of a second edition to the disclosure standard IEC 60976 in 2007. It includes the addition of performance guidelines relating to several relatively new technologies introduced within the last few years, including dynamic beam delivery techniques, such as moving beam radiotherapy, intensity modulated radiation therapy (IMRT), image guided radiotherapy (IGRT), and programmable wedge fields (PWF). Also included are stereotactic radiotherapy (SRT)/stereotactic radiosurgery (SRS) and the use of certain electronic imaging devices (EIDs).

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IEC 60601-2-29:2008 establishes requirements to be complied with by manufacturers in the design and construction of radiotherapy simulators; it does not attempt to define their optimum performance requirements. Its purpose is to identify those features of design that are regarded, at the present time, as essential for the safe operation of such medical electrical equipment. It places limits on the degradation of medical electrical equipment performance beyond which it can be presumed that a fault condition exists, for example a component failure, and where an interlock then operates to prevent continued operation of the medical electrical equipment. This third edition cancels and replaces the second edition published in 1999. This edition constitutes a technical revision, which brings this standard in line with the third edition of IEC 60601-1 and its collateral standards.

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Applies to medical electron accelerators when used, for therapy purposes, in human medical practice. This standard applies to medical electron accelerators which deliver a radiation beam of either X-radiation or electron radiation with nominal energies in the range 1 MeV to 50 MeV at maximum absorbed dose rates between 0,001 Gy s-1 and 1 Gy s-1 at 1 m from the radiation source and at normal treatment distances between 50 cm and 200 cm from the radiation source. The present standard describes measurements and test procedures to be performed by the manufacturer at the design and construction stage of a medical electron accelerator but does not specify acceptance tests to be performed after installation at the purchaser's site. The accompanying report, IEC 60977, however, does suggest that many of the test procedures are appropriate for acceptance tests. The measurement conditions described in the present standard differ from those previously in use. This applies particularly to the phantom position for measurements and the measurement of distances from the isocentre. These new conditions should be substituted for and not be added to previous methods. This standard specifies test procedures for the determination and disclosure of functional performance characteristics, knowledge of which is deemed necessary for proper application and use of a medical electron accelerator and which are to be declared in the accompanying documents together with the greatest deviation or variation to be expected under specific conditions in normal use. A format for presentation of functional performance values is given in Annex A. It is recognized that inaccuracies in the test methods must be allowed for when assessing performance. However, it was not felt to be advisable to combine the errors into an overall performance tolerance but to keep them separate in the expectation that more accurate test methods will be evolved. It is not intended that this standard should in any way inhibit the future development of new designs of equipment which may have operating modes and parameters different from those described herein, provided that such equipment achieves equivalent levels of performance for the treatment of patients. Except where otherwise stated this standard assumes that the medical electron accelerators have an isocentric gantry. Where the equipment is non-isocentric, the description of performance and test methods may need to be suitably adapted. This second edition cancels and replaces the first edition published in 1989. It constitutes a technical revision. This second edition includes the addition of performance standards and test methods relating to the following new technologies: - dynamic beam delivery techniques, such as moving beam radiotherapy, intensity-modulated radiation therapy (IMRT), image-guided radiotherapy (IGRT) and programmable wedge fields; - stereotactic radiotherapy (SRT) / stereotactic radiosurgery (SRS); - use of electronic imaging devices. This standard, together with IEC TR 60977, should be read in conjunction with IEC 60601-2-1.

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This International Standard applies to test procedures which, for the determination of characteristics of systems or components of medical diagnostic X-ray equipment, require well-defined radiation conditions. Except for mammography, this standard does not apply to conditions where discontinuities in radiation absorption of elements are deliberately used to modify properties of the radiation beam (for example by rare earth filters). This standard deals with methods for generating radiation beams with radiation conditions which can be used under test conditions typically found in test laboratories or in manufacturing facilities for the determination of characteristics of medical diagnostic X-ray equipment. Examples of such radiation qualities are radiation beams emerging through the filtration from the X-ray source assembly. radiation conditions represent the more general case, where scattered radiation emerges from an exit surface of a patient or a phantom. This requires a well defined geometrical arrangement.

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Applies to the design and manufacture and some installation aspects of a record and verify system (RVS) for use in radiotherapy in human medical practice that a) provides, defines, or displays treatment machine set up data; imports data either through input by the operator or directly from other devices, b) may control the ability of that equipment to operate; c) records data of all treatment sessions; and d) is intended to be: 1) for normal use, under the authority of appropriately licensed or qualified persons, by operators having the required skills and training; 2) maintained in accordance with the recommendations given in the instructions for use; and 3) used within the environmental and electrical supply conditions specified in the technical description.

  • Standard
    35 pages
    English and French language
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Specifies the performance requirements of instruments as used in the non-invasive measurement of X-ray tube voltage up to 150 kV and the relevant compliance tests. Describes the method for calibration and gives guidance for estimating the uncertainty in measurements performed under conditions different from those during calibration. This standard is not concerned with the safety aspect of such instruments. The requirements for electrical safety applying to them are contained in IEC 61010-1.

  • Standard
    32 pages
    English language
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This report is supplement 11 to the DICOM standard. It defines a number of information objects applicable to the domain of radiation oncology. The intent of these objects is to support the transfer of radiotherapy-related data between devices found within and outside a radiotherapy department.

  • Technical report
    88 pages
    English language
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